Biosensors for the detection and/or quantification of chemicals and biologicals such as biohazards, odorants, flavors, toxins, allergens, antibiotics, adulterants, and pesticides; electrical or optical sensors using receptors from worms and insects to detect and measure aromas and flavors or volatile substances in goods including but not limited to food, wine, drugs, human or animal health and disease, and explosives; biosensors using chemoreceptive proteins from worms, vertebrates, or bacter...